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Thermistors - PTC

PTC Thermistors are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many PTC thermistor manufacturers including Murata, Schneider Electric, TDK, Vishay & more. Please view our large selection of PTC thermistors below.

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Part #

PTC (Positive Temperature Coefficient) Thermistors D 052-A 60-A 40 NAT 60 Grade C

B59052D1060A040
TDK
1: Rp30.454
5.441In Stock

Mfr. Part No.
B59052D1060A040

Mouser Part No
871-B59052D1060A040

TDK

PTC (Positive Temperature Coefficient) Thermistors D 052-A 60-A 40 NAT 60 Grade C

Datasheet

5.441In Stock

Rp30.454

Rp28.987

Rp26.235

Rp25.317

View

Min.: 1
Mult.: 1

Heater Element Rectangular shape

570 Ohms

Ring Lug

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors D 052-A 120-A 40 NAT 120 Grade C

B59052D1120A040
TDK
1: Rp27.702
1.899In Stock

Mfr. Part No.
B59052D1120A040

Mouser Part No
871-B59052D1120A040

TDK

PTC (Positive Temperature Coefficient) Thermistors D 052-A 120-A 40 NAT 120 Grade C

Datasheet

1.899In Stock

Rp27.702

Rp26.418

Rp24.951

Rp23.850

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Housing style

550 Ohms

Ring Lug

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors T=5K 60deg C

B59100M1060A070
TDK
1: Rp85.676
1.015In Stock
3.600On Order

Mfr. Part No.
B59100M1060A070

Mouser Part No
871-B59100M1060A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 60deg C

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Datasheet

1.015In Stock

3.600On Order

Rp85.676

Rp76.870

Rp73.567

Rp69.715

Reel

Rp58.340

View

Min.: 1
Mult.: 1

: 400

Limit Temperature Sensor Leaded style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors T=5K 80deg C

B59100M1080A070
TDK
1: Rp85.676
4.261In Stock
2.400Expected 04/09/2026

Mfr. Part No.
B59100M1080A070

Mouser Part No
871-B59100M1080A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 80deg C

Learn More

Datasheet

4.261In Stock

2.400Expected 04/09/2026

Rp85.676

Rp76.870

Rp73.567

Rp69.348

Reel

Rp59.441

View

Min.: 1
Mult.: 1

: 400

Limit Temperature Sensor Leaded style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors T=5K 90deg C

B59100M1090A070
TDK
1: Rp83.841
1.709In Stock

Mfr. Part No.
B59100M1090A070

Mouser Part No
871-B59100M1090A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 90deg C

Learn More

Datasheet

1.709In Stock

Rp83.841

Rp75.219

Rp71.916

Rp68.064

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 110C +/-5C Motor Prot Single Sensor

B59100M1110A070
TDK
1: Rp83.841
1.047In Stock

Mfr. Part No.
B59100M1110A070

Mouser Part No
871-B59100M1110A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 110C +/-5C Motor Prot Single Sensor

Learn More

Datasheet

1.047In Stock

Rp83.841

Rp75.219

Rp71.916

Rp67.697

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

- 25 C

+ 133 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Single Sensor

B59100M1120A070
TDK
1: Rp83.841
3.192In Stock

Mfr. Part No.
B59100M1120A070

Mouser Part No
871-B59100M1120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Single Sensor

Learn More

Datasheet

3.192In Stock

Cut Tape

Rp83.841

Rp75.219

Rp71.916

Rp65.862

Reel

Rp51.369

View

Min.: 1
Mult.: 1

: 400

Motor Protector Single Sensor Style

100 Ohms

25 %

Wire

Radial

0 C

+ 40 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

B59100M1130A070
TDK
1: Rp83.841
2.112In Stock

Mfr. Part No.
B59100M1130A070

Mouser Part No
871-B59100M1130A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

Learn More

Datasheet

2.112In Stock

Rp83.841

Rp75.219

Rp71.916

Rp68.064

Reel

Rp57.056

View

Min.: 1
Mult.: 1

: 400

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors T=5K 140deg C

B59100M1140A070
TDK
1: Rp83.841
2.636In Stock
6.000On Order

Mfr. Part No.
B59100M1140A070

Mouser Part No
871-B59100M1140A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 140deg C

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Datasheet

2.636In Stock

6.000On Order

Rp83.841

Rp75.219

Rp71.916

Rp66.779

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C

B59100M1150A070
TDK
1: Rp83.841
4.307In Stock

Mfr. Part No.
B59100M1150A070

Mouser Part No
871-B59100M1150A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C

Learn More

Datasheet

4.307In Stock

Rp83.841

Rp75.219

Rp71.916

Rp66.779

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Single Sensor

B59100M1155A070
TDK
1: Rp80.355
4.533In Stock
19.575On Order

Mfr. Part No.
B59100M1155A070

Mouser Part No
871-B59100M1155A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Single Sensor

Learn More

Datasheet

4.533In Stock

19.575On Order

Rp80.355

Rp72.100

Rp68.981

Rp65.312

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

- 25 C

+ 178 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C

B59100M1160A070
TDK
1: Rp83.841
677In Stock

Mfr. Part No.
B59100M1160A070

Mouser Part No
871-B59100M1160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C

Learn More

Datasheet

677In Stock

Rp83.841

Rp75.219

Rp71.916

Rp68.064

Reel

Rp56.873

View

Min.: 1
Mult.: 1

: 400

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors T=7K 170deg C

B59100M1170A070
TDK
1: Rp111.911
3.551In Stock

Mfr. Part No.
B59100M1170A070

Mouser Part No
871-B59100M1170A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=7K 170deg C

Learn More

Datasheet

3.551In Stock

Rp111.911

Rp100.720

Rp96.500

Rp91.547

Reel

Rp76.870

View

Min.: 1
Mult.: 1

: 400

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 63Vdc 82mA 55ohms PTC Overcurrent

B59115P1080A062
TDK
1: Rp37.426
1.534In Stock
2.000Expected 14/12/2026

Mfr. Part No.
B59115P1080A062

Mouser Part No
871-B59115P1080A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 63Vdc 82mA 55ohms PTC Overcurrent

Learn More

Datasheet

1.534In Stock

2.000Expected 14/12/2026

Cut Tape

Rp37.426

Rp34.490

Rp28.987

Rp26.969

Reel

Rp21.098

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Heater Element Rectangular shape

16 Ohms

25 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 33ohms AEC-Q200

B59213J0130A020
TDK
1: Rp108.425
1.439In Stock

Mfr. Part No.
B59213J0130A020

Mouser Part No
871-B59213J0130A020

TDK

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 33ohms AEC-Q200

Learn More

Datasheet

1.439In Stock

Rp108.425

Rp89.895

Rp82.007

Rp72.283

View

Min.: 1
Mult.: 1

Surface Mount OverCurrent PTC

33 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q200

Case

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 22ohms AEC-Q200

B59215J0130A020
TDK
1: Rp97.417
2.865In Stock
5.000Expected 28/12/2026

Mfr. Part No.
B59215J0130A020

Mouser Part No
871-B59215J0130A020

TDK

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 22ohms AEC-Q200

Learn More

Datasheet

2.865In Stock

5.000Expected 28/12/2026

Rp97.417

Rp83.474

Rp70.082

Rp64.945

View

Min.: 1
Mult.: 1

Surface Mount OverCurrent PTC

22 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q200

Case

PTC (Positive Temperature Coefficient) Thermistors 25 OHM 25% SMD 3225

B59215P1080A62
TDK
1: Rp37.426
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
B59215P1080A62

Mouser Part No
871-B59215P1080A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 25 OHM 25% SMD 3225

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

Rp37.426

Rp34.490

Rp31.005

Rp27.336

Reel

Rp19.997

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

B59x15

25 Ohms

25 %

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

B59300M1130A070
TDK
1: Rp132.091
375In Stock

Mfr. Part No.
B59300M1130A070

Mouser Part No
871-B59300M1130A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

Learn More

Datasheet

375In Stock

Rp132.091

Rp118.882

Rp110.993

Rp102.921

Reel

Rp93.932

View

Min.: 1
Mult.: 1

: 200

Motor Protector Sensor Triple Sensor Style

300 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Triple Sensor

B59300M1155A070
TDK
1: Rp132.091
538In Stock

Mfr. Part No.
B59300M1155A070

Mouser Part No
871-B59300M1155A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Triple Sensor

Learn More

Datasheet

538In Stock

Rp132.091

Rp118.882

Rp110.993

Rp102.921

Reel

Rp93.932

View

Min.: 1
Mult.: 1

: 200

Motor Protector Sensor Triple Sensor Style

300 Ohms

25 %

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 310mA 1.6V

B59301P1120A62
TDK
1: Rp41.645
1.671In Stock

Mfr. Part No.
B59301P1120A62

Mouser Part No
871-B59301P1120A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 310mA 1.6V

Learn More

Datasheet

1.671In Stock

Cut Tape

Rp41.645

Rp38.527

Rp31.739

Rp29.537

View

Reel

Rp20.731

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

B59x01P

3.1 Ohms

25 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor P 1315-A 80-A

B59315P1080A62
TDK
1: Rp39.811
1.728In Stock

Mfr. Part No.
B59315P1080A62

Mouser Part No
871-B59315P1080A62

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor P 1315-A 80-A

Learn More

Datasheet

1.728In Stock

Cut Tape

Rp39.811

Rp36.875

Rp31.005

Rp28.803

Reel

Rp20.914

View

Min.: 1
Mult.: 1

: 1.000

B59x15

16 Ohms

25 %

- 40 C

+ 125 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 440volts 120ohms ICL AEC-Q200

B59412C1130B070
TDK
1: Rp52.836
2.510In Stock
2.500Expected 02/09/2026

Mfr. Part No.
B59412C1130B070

Mouser Part No
871-B59412C1130B70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440volts 120ohms ICL AEC-Q200

Learn More

Datasheet

2.510In Stock

2.500Expected 02/09/2026

Rp52.836

Rp46.966

Rp44.214

Rp39.260

View

Min.: 1
Mult.: 1

Inrush Current Limiter SMD Type

120 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q100

Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 105C Temperature Sensor

B59421A0105A062
TDK
1: Rp8.256
13.010In Stock

Mfr. Part No.
B59421A0105A062

Mouser Part No
871-B59421A0105A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 105C Temperature Sensor

Learn More

Datasheet

13.010In Stock

Cut Tape

Rp8.256

Rp7.705

Rp7.192

Rp6.825

View

Reel

Rp4.935

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Surface Mount Limit Temperature Sensor

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 125C Temperature Sensor

B59421A0125A062
TDK
1: Rp8.256
16.160In Stock

Mfr. Part No.
B59421A0125A062

Mouser Part No
871-B59421A0125A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 125C Temperature Sensor

Learn More

Datasheet

16.160In Stock

Cut Tape

Rp8.256

Rp7.705

Rp7.192

Rp6.825

View

Reel

Rp5.045

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Surface Mount Limit Temperature Sensor

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 440volts 56ohms ICL AEC-Q200

B59451C1130B70
TDK
1: Rp52.836
1.688In Stock

Mfr. Part No.
B59451C1130B70

Mouser Part No
871-B59451C1130B70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440volts 56ohms ICL AEC-Q200

Learn More

Datasheet

1.688In Stock

Rp52.836

Rp48.800

Rp40.545

Rp37.426

Reel

Rp34.674

View

Min.: 1
Mult.: 1

: 500

B597x-Cx

56 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q100

Ammo Pack

Thermistors - PTC

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2381
B57213
B57237
B57238
B59004
B59006
B59008
B59012
B59050
B59084
B59100
B59102
B59116S
B59196
B59201
B59204
B59314
B59601
B597
B59701

200 mOhms
300 mOhms
400 mOhms
450 mOhms
500 mOhms
600 mOhms
700 mOhms
800 mOhms
900 mOhms
1 Ohms
1.1 Ohms
1.2 Ohms
1.3 Ohms
1.5 Ohms
1.65 Ohms
1.7 Ohms
1.8 Ohms
1.9 Ohms
2.1 Ohms
2.2 Ohms

+ 40 C
+ 55 C
+ 60 C
+ 70 C
+ 75 C
+ 80 C
+ 85 C
+ 90 C
+ 100 C
+ 105 C
+ 110 C
+ 120 C
+ 125 C
+ 130 C
+ 133 C
+ 140 C
+ 145 C
+ 150 C
+ 155 C
+ 160 C